Operational
GRACE-FO 1
GRACE-FO 1 flies in formation with its twin, measuring tiny distance changes caused by variations in Earth's gravity. The pair tracks groundwater, ice mass and ocean circulation.
Technical specifications
CATEGORY
Earth Science
TYPE
Earth Observation
COUNTRY
United States / Germany
OPERATOR
NASA / GFZ
LAUNCH DATE
May 22, 2018
LAUNCH SITE
Vandenberg
ORBIT CLASS
LEO
ALTITUDE · KM
452
ORBITAL PERIOD · MIN
93.61
INCLINATION · DEG
88.99
APOGEE · KM
461
PERIGEE · KM
442
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